Trail Running calendar near Brecon 2026-2027

We have found 239 Trailruns within 80 miles of Brecon. See below where and when you can find the races.

Tackle muddy trails and steep climbs at the May Hill Massacre, a scenic cross country run around May Hill in Gloucestershire. Choose a 7 to 8 mile route or the longer 14 to 15 mile Mayhem loop, with a canicross option and limited entries.

Run scenic trails across the Shropshire Hills and Long Mynd at The Icing on the Cake on 31 Jan 2026 with marathon, half and 10k options. Finish by the National Trust tea rooms and join the cake competition for a sweet post race treat.

Ras Tarrenhendre Fell Race in Abergynolwyn, Wales on 31 January 2026 is a rugged 6 mile test with about 2000 ft of ascent across ridges, forestry and old slate quarries. Expect steep climbs, exposed summit running and a moorland descent.

February 2026

Join the DirtRun Dudmaston 10k on 1 Feb 2026 for a scenic off road 10 km through Comer Woods at Dudmaston Estate. Enjoy a finisher medal and goodie, with category prizes including real ale for top performers.

The fourth race of the West Glamorgan XC League takes place on 1 February 2026 at scenic Kenfig Nature Reserve. Tackle 4.2 miles of classic cross country terrain with Cornelly Striders hosting; entries are limited so sign up from 19 January..

The Westonbirt Arboretum Winter Night Race is a unique running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which offer a beautiful and varied landscap..

Enjoy a winter run through Westonbirt Arboretum's stunning tree collections on solid underfoot trail style paths. Distances of 5 km and 10 km suit all paces. Tickets are sold out.

Muddy Woody 2026: The Wye Valley Brewery Muddy Woody returns on 8 February at a new Aconbury Court Farm course. About 6 miles of forest and single track with runnable hills, chip timing and a free bespoke Muddy T shirt for finishers. Junio..

Take on the Wiltshire 10, a scenic 10 mile road race from Melksham to historic Lacock and back, with medals for all finishers and age category prizes. Entries capped at 300, book before 1 February 2026 as no entries on race day.

Run a flat, traffic free 10k on the National Cycle Network from Calne to Stanley near Chippenham, chip timed and well marshalled on an out and back multi terrain course. A 1 mile fun run for under 17s and limited entries make this a friendl..

Run Brimscombe's canal towpath at the Back to the 80s timed event, choosing any mix of 2.62 mile laps to make 5k to ultra distances. Enjoy a relaxed one hour start window, seven hour limit and a bespoke finisher medal to mark your effort.

Take on the Winter Railway Ultra on 21 Feb 2026 with distances from 9 to 37 miles along a scenic disused railway by the River Severn between Ironbridge and Bridgnorth. Aid stations and nearby pubs add winter charm to the challenge.

Explore Bath's lit Two Tunnels on a unique shared use course, with distances from 500 m fun runs to half marathon routes on tarmac and trail. Wave starts, on course support and a charity donation make this a feel good racing day.

Enjoy a scenic off road 9.5 km trail around Kinver Edge and the Rock Houses, run as two laps over tracks and trails. Limited to 100 runners, the event includes medals, finish goodies and prizes for the top three in each category.

Take on the Sorbrook Slog on 22 February 2026, a lively 7 mile multi terrain race through footpaths, fields and gullies around Sorbrook and Sluvad in Cwmbran. Enjoy marshals on course, post race tea and cake and a finishers goodie bag.

Join a weekend fell and trail running retreat in the Black Mountains, Wales from 27 Feb to 1 Mar 2026 at Dinas Castle Inn. Guided runs on the Dragons Back ridge, skills coaching and bunkhouse accommodation make for an inspiring weekend for..

Castle 2 Castle Ultra is a 32 mile ultramarathon from Powis Estate to Caffi Wylfa, taking runners over fast paths and rolling footpaths with scenic castle views. Finishers get a celebratory plate and goodies and top three men and women win..

Take on a scenic 25 mile circular across South Shropshire with 4675 ft of climbing and a 10 hour time limit, starting and finishing at Minsterley Village Hall. Organised by LDWA Marches Group the event is currently full and new entries will..

March 2026

Run a scenic 70k along the Taff Trail from the Brecon Beacons to Nantgarw, passing reservoirs, waterfalls and historic sites. The event includes coach transfer to the start, checkpoints, timing and a finisher medal.

Tackle a rugged 75 km mountain ultramarathon from Brecon to Cardiff, summiting Pen y Fan, Cribyn and Fan y Big over wild ridges and forests. A 26.2 mile Taff Xtreme option covers the second half; both are unmarked and GPS navigated.

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